Novel approach for simultaneous measurement of strain and temperature using a single tapered fiber Bragg grating

Mahesh Kondiparthi

doi:10.1117/12.871276

26 August 2010 Novel approach for simultaneous measurement of strain and temperature using a single tapered fiber Bragg grating

Mahesh Kondiparthi

Author Affiliations +

Proceedings Volume 7813, Remote Sensing System Engineering III; 78130P (2010) https://doi.org/10.1117/12.871276
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

A novel approach for simultaneous measurement of strain and temperature with a single tapered fiber Bragg grating is proposed. This method is based on the fact that the reflectivity at central wavelength of FBG reflection changes with chirp (strain gradient). A diode laser is locked to the central wavelength of FBG reflection. Central wavelength of the FBG shifts with temperature. Change in reflectivity & wavelength of the diode laser were used to measure strain and temperature on the FBG respectively.

Citation Download Citation

Mahesh Kondiparthi "Novel approach for simultaneous measurement of strain and temperature using a single tapered fiber Bragg grating", Proc. SPIE 7813, Remote Sensing System Engineering III, 78130P (26 August 2010); https://doi.org/10.1117/12.871276

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